1. The Closed loop transfer function of certain second order unity feedback control system are given below. Determine the type of damping in the system.
(𝑎) 𝐶(𝑠)/𝑅(𝑠) =8/(𝑠^2+3𝑠+8)
(𝑏) 𝐶(𝑠)/𝑅(𝑠) =2/(𝑠^2+4𝑠+2)
(𝑐) 𝐶(𝑠)/𝑅(𝑠) =2/(𝑠^2+2𝑠+1)
(𝑑) 𝐶(𝑠)/𝑅(𝑠) =4/(𝑠^2+16)
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